Features
Applications
■ RoHS compliant*
■ IEC 61000-4-2 ESD (Min. Level 4)
■ Surface Mount SMB package
■ IEC 61000-4-4 EFT
■ Standoff Voltage: 5 to 495 volts
■ IEC 61000-4-5 Surge
■ Power Dissipation: 600 watts
SMBJ Transient Voltage Suppressor Diode Series
General Information
Additional Information
The markets of portable communications, computing and video equipment are challenging the
semiconductor industry to develop increasingly smaller electronic components.
Click these links for more information:
Bourns offers Transient Voltage Suppressor Diodes for surge and ESD protection
applications, in compact chip package DO-214AA (SMB) size format. The Transient Voltage
Suppressor series offers a choice of Working Peak Reverse Voltage from 5 V up to 495 V and
Breakdown Voltage up to 550 V. Typical fast response times are less than 1.0 picosecond
for unidirectional devices and less than 5.0 picoseconds for bidirectional devices from 0 V to
Minimum Breakdown Voltage.
PRODUCT TECHNICAL INVENTORY SAMPLES
SELECTOR LIBRARY
CONTACT
Agency Recognition
Description
Bourns® Chip Diodes conform to JEDEC standards, are easy to handle with standard pick and
place equipment and the flat configuration minimizes roll away.
UL
File Number: E153537
Electrical Characteristics (@ TA = 25 °C Unless Otherwise Noted)
Parameter
Symbol
Value
Unit
Minimum Peak Pulse Power Dissipation (TP = 1 ms) (Note 1,2)
PPK
600
Watts
Peak Forward Surge Current
8.3 ms Single Half Sine Wave Superimposed on Rated Load
(JEDEC Method) (Note 3)
IFSM
100
Amps
PM(AV)
5.0
Watts
VF
3.5
5.0
Volts
TJ
-55 to +150
°C
TSTG
-55 to +150
°C
Steady State Power Dissipation @ TL = 75 °C
Maximum Instantaneous Forward Voltage @ IPP = 50 A
(For Unidirectional Units Only)
SMBJ5.0A ~ SMBJ90A
SMBJ100A ~ SMBJ495A
Operating Temperature Range
Storage Temperature Range
1.
2.
3.
Non-repetitive current pulse, per Pulse Waveform graph and derated above TA = 25 °C per Pulse Derating Curve.
Thermal Resistance Junction to Lead.
8.3 ms Single Half-Sine Wave duty cycle = 4 pulses maximum per minute (unidirectional units only).
How to Order
SMBJ 5.0 CA - H
Asia-Pacific:
Tel: +886-2 2562-4117 • Email: asiacus@bourns.com
EMEA:
Tel: +36 88 885 877 • Email: eurocus@bourns.com
The Americas:
Tel: +1-951 781-5500 • Email: americus@bourns.com
www.bourns.com
Package
SMBJ = SMB/DO-214AA
Working Peak Reverse Voltage
5.0 = 5.0 VRWM (Volts)
Suffix
A = 5 % Tolerance Unidirectional Device
CA = 5 % Tolerance Bidirectional Device
Reel
(blank) = 13 inch reel
-H = 7 inch reel
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
*RoHS Directive 2015/863, Mar 31, 2015 and Annex.
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
SMBJ Transient Voltage Suppressor Diode Series
Electrical Characteristics (@ TA = 25 °C Unless Otherwise Noted)
Unidirectional Device
Bidirectional Device
Breakdown Voltage
VBR (Volts)
Part No.
Marking
Part No.
Marking
Min.
Max.
@ IT
(mA)
SMBJ5.0A
SMBJ6.0A
SMBJ6.5A
SMBJ7.0A
SMBJ7.5A
SMBJ8.0A
SMBJ8.5A
SMBJ9.0A
SMBJ10A
SMBJ11A
SMBJ12A
SMBJ13A
SMBJ14A
SMBJ15A
SMBJ16A
SMBJ17A
SMBJ18A
SMBJ20A
SMBJ22A
SMBJ24A
SMBJ26A
SMBJ28A
SMBJ30A
SMBJ33A
SMBJ36A
SMBJ40A
SMBJ43A
SMBJ45A
SMBJ48A
SMBJ51A
SMBJ54A
SMBJ58A
SMBJ60A
SMBJ64A
SMBJ70A
SMBJ75A
SMBJ78A
SMBJ85A
SMBJ90A
SMBJ100A
SMBJ110A
SMBJ120A
SMBJ130A
SMBJ150A
SMBJ160A
SMBJ170A
SMBJ180A
SMBJ200A
SMBJ220A
SMBJ250A
SMBJ300A
SMBJ350A
SMBJ376A
SMBJ400A
SMBJ408A
SMBJ440A
SMBJ495A
KE
KG
KK
KM
KP
KR
KT
KV
KX
KZ
LE
LG
LK
LM
LP
LR
LT
LV
LX
LZ
ME
MG
MK
MM
MP
MR
MT
MV
MX
MZ
NE
NG
NK
NM
NP
NR
NT
NV
NX
NZ
PE
PG
PK
PM
PP
PR
PT
PV
PX
PZ
QE
QG
376A
QK
408A
QM
495A
SMBJ5.0CA
SMBJ6.0CA
SMBJ6.5CA
SMBJ7.0CA
SMBJ7.5CA
SMBJ8.0CA
SMBJ8.5CA
SMBJ9.0CA
SMBJ10CA
SMBJ11CA
SMBJ12CA
SMBJ13CA
SMBJ14CA
SMBJ15CA
SMBJ16CA
SMBJ17CA
SMBJ18CA
SMBJ20CA
SMBJ22CA
SMBJ24CA
SMBJ26CA
SMBJ28CA
SMBJ30CA
SMBJ33CA
SMBJ36CA
SMBJ40CA
SMBJ43CA
SMBJ45CA
SMBJ48CA
SMBJ51CA
SMBJ54CA
SMBJ58CA
SMBJ60CA
SMBJ64CA
SMBJ70CA
SMBJ75CA
SMBJ78CA
SMBJ85CA
SMBJ90CA
SMBJ100CA
SMBJ110CA
SMBJ120CA
SMBJ130CA
SMBJ150CA
SMBJ160CA
SMBJ170CA
SMBJ180CA
SMBJ200CA
SMBJ220CA
SMBJ250CA
SMBJ300CA
SMBJ350CA
SMBJ376CA
SMBJ400CA
SMBJ408CA
SMBJ440CA
SMBJ495CA
AE
AG
AK
AM
AP
AR
AT
AV
AX
AZ
BE
BG
BK
BM
BP
BR
BT
BV
BX
BZ
CE
CG
CK
CM
CP
CR
CT
CV
CX
CZ
DE
DG
DK
DM
DP
DR
DT
DV
DX
DZ
EE
EG
EK
EM
EP
ER
ET
EV
EX
EZ
WE
WG
376C
WK
408C
WM
495C
6.40
6.67
7.22
7.78
8.33
8.89
9.44
10.0
11.1
12.2
13.3
14.4
15.6
16.7
17.8
18.9
20.0
22.2
24.4
26.7
28.9
31.1
33.3
36.7
40
44.4
47.8
50
53.3
56.7
60
64.4
66.7
71.1
77.8
83.3
86.7
94.4
100
111
122
133
144
167
178
189
201
224
246
279
335
391
418
447
456
492
522
7.00
7.37
7.98
8.60
9.21
9.83
10.4
11.1
12.3
13.5
14.7
15.9
17.2
18.5
19.7
20.9
22.1
24.5
26.9
29.5
31.9
34.4
36.8
40.6
44.2
49.1
52.8
55.3
58.9
62.7
66.3
71.2
73.7
78.6
86.0
92.1
95.8
104
111
123
135
147
159
185
197
209
222
247
272
309
371
432
462
494
504
543
578
10
10
10
10
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Working Maximum
Peak
Reverse
Reverse Leakage
Voltage @ VRWM
Maximum
Clamping
Voltage
@ Ipp
Maximum
Peak
Pulse
Current
Maximum
Clamping
Voltage
@ Ipp
Maximum
Peak
Pulse
Current
(10/1000 μs)
(10/1000 μs)
(8/20 μs)
(8/20 μs)
VRWM
(V)
IR
(μA)
Vc
(V)
Ipp
(A)
Vc
(V)
Ipp
(A)
5.0
6.0
6.5
7.0
7.5
8.0
8.5
9.0
10
11
12
13
14
15
16
17
18
20
22
24
26
28
30
33
36
40
43
45
48
51
54
58
60
64
70
75
78
85
90
100
110
120
130
150
160
170
180
200
220
250
300
350
376
400
408
440
495
800
800
500
200
100
50
20
10
5.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
9.2
10.3
11.2
12.0
12.9
13.6
14.4
15.4
17.0
18.2
19.9
21.5
23.2
24.4
26.0
27.6
29.2
32.4
35.5
38.9
42.1
45.4
48.4
53.3
58.1
64.5
69.4
72.7
77.4
82.4
87.1
93.6
96.8
103
113
121
126
137
146
162
177
193
209
243
259
275
292
324
356
405
486
567
602
648
658
713
760
65.3
58.3
53.6
50.0
46.6
44.2
41.7
39.0
35.3
33.0
30.2
28.0
25.9
24.6
23.1
21.8
20.6
18.6
16.9
15.5
14.3
13.3
12.4
11.3
10.4
9.3
8.7
8.3
7.8
7.3
6.9
6.5
6.2
5.9
5.3
5.0
4.8
4.4
4.1
3.7
3.4
3.1
2.9
2.5
2.3
2.2
2.1
1.9
1.7
1.5
1.3
1.1
1.0
0.9
0.9
0.9
0.8
12.0
13.4
14.6
15.6
16.8
17.7
18.7
20.0
22.1
23.7
25.9
28.0
30.2
31.7
33.8
35.9
38.0
42.1
46.2
50.6
54.7
59.0
62.9
69.3
75.5
83.9
90.2
94.5
100.6
107.1
113.2
121.7
125.8
133.9
146.9
157.3
163.8
178.1
189.8
210.6
230.1
250.9
271.7
315.9
336.7
357.5
379.6
421.2
462.8
526.5
631.8
737.1
782.6
842.4
855.4
926.9
988.0
326.5
291.5
268.0
250.0
233.0
221.0
208.5
195.0
176.5
165.0
151.0
140.0
129.5
123.0
115.5
109.0
103.0
93.0
84.5
77.5
71.5
66.5
62.0
56.5
52.0
46.5
43.5
41.5
39.0
36.5
34.5
32.5
31.0
29.5
26.5
25.0
24.0
22.0
20.5
18.5
17.0
15.5
14.5
12.5
11.5
11.0
10.5
9.5
8.5
7.5
6.5
5.5
5.0
4.5
4.6
4.5
3.9
Notes:
1. Suffix ‘A’ denotes a 5 % tolerance unidirectional device.
2. Suffix ‘CA’ denotes a 5 % tolerance bidirectional device.
3. For bidirectional devices with a VR of 10 volts or less, the IR limit is double.
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
SMBJ Transient Voltage Suppressor Diode Series
Product Dimensions
Recommended Footprint
A
A
B
C
B
C
G
Dimension
A (Max.)
F
H
D
E
B (Min.)
C (Min.)
Dimension
A
B
C
D
E
F
G
H
SMB (DO-214AA)
4.06 - 4.57
(0.160 - 0.180)
3.30 - 3.94
(0.130 - 0.155)
1.95 - 2.20
(0.077 - 0.087)
0.15 - 0.31
(0.006 - 0.012)
5.21 - 5.59
(0.205 - 0.220)
0.05 - 0.203
(0.002 - 0.008)
2.13 - 2.44
(0.084 - 0.096)
0.76 - 1.52
(0.030 - 0.060)
DIMENSIONS:
SMB (DO-214AA)
2.69
(0.106)
2.10
(0.083)
1.27
(0.050)
DIMENSIONS:
MM
(INCHES)
Physical Specifications
Case ............................................ Molded plastic per UL Class 94V-0
Polarity.........................Cathode band indicates unidirectional device
No cathode band indicates bidirectional device
Weight ............................................................................ 0.093 grams
MM
(INCHES)
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
SMBJ Transient Voltage Suppressor Diode Series
Rating & Characteristic Curves
Pulse Derating Curve
Maximum Non-Repetitive Surge Current
Peak Forward Surge Current (Amps)
Peak Pulse Derating in Percent of
Peak Power or Current
100
75
50
25
10 x 1000 Waveform as Defined
by R.E.A.
120
100
80
60
40
Pulse Width 8.3 ms
Single Half Sine-Wave
20
0
0
25
0
50
75
100
125
150
175
1
200
2
5
Ambient Temperature (°C)
Pulse Waveform
10000
IRSM
2
CJ - Junction Capacitance (pF)
IP, Peak Pulse Current (%)
Half value=
Pulse width (TP)
is defined as that point
where the peak current
decays to 50 % of IPSM.
50
10 x 1000 waveform
as defined by R.E.A.
TA=25 °C
TP
1000
100
0
1.0
2.0
3.0
Unidirectional
v-0v
Unidirectional
@ VR
100
TJ = 25 °C
f = 1.0 MHz
Vsig = 50 mVp-p
10
0
Bidirectional
@ VR
1
4.0
10
1
T, Time (ms)
100
1000
VBR - Reverse Breakdown Voltage (V)
Pulse Rating Curve
Steady State Power Derating Curve
100
RM(AV) Steady State Power Dissipation (W)
5.0
TA = 25 °C
PP, Peak Power (KW)
50
Bidirectional
v-0v
Peak value (IRSM)
Non-repetitive
Pulse Waveform
Shown in Pulse Waveform Graph
10
1.0
5.0 mm Lead Areas
0.1
0.1 µs
20
Typical Junction Capacitance
TR=10 µs
100
10
Number of Cycles at 60 Hz
1.0 µs
10 µs
100 µs
TP, Pulse Width
1.0 ms
10 ms
4.0
3.0
2.0
1.0
60 Hz Resistive or
Inductive Load
0.0
0
25
50
75
100
125
150
175
200
TL, Lead Temperature (°C)
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
SMBJ Transient Voltage Suppressor Diode Series
Packaging Information
The product will be dispensed in tape and reel format (see diagram below).
P
0
P
1
d
T
E
Index Hole
120 °
F
D2
W
B
D1 D
P
Trailer
.......
.......
End
A
Unidirectional
Product
Orientation
C
Device
.......
.......
.......
.......
Leader
.......
.......
W1
Start
DIMENSIONS:
10 pitches (min.)
10 pitches (min.)
Direction of Feed
Item
Symbol
Carrier Width
A
Carrier Length
B
Carrier Depth
C
Sprocket Hole
d
Reel Outside Diameter
D
Reel Inner Diameter
D1
Feed Hole Diameter
D2
Sprocket Hole Position
E
Punch Hole Position
F
Punch Hole Pitch
P
Sprocket Hole Pitch
P0
Embossment Center
P1
Overall Tape Thickness
T
Tape Width
W
Reel Width
W1
Quantity per Reel
--
MM
(INCHES)
Devices are packed in accordance with EIA standard
RS-481-A and specifications shown here.
SMB (DO-214AA)
7 Inch Reel
13 Inch Reel
3.67 ± 0.20
(0.144 ± 0.008)
5.60 ± 0.20
(0.220 ± 0.008)
2.57 ± 0.20
(0.101 ± 0.008)
1.50 ± 0.10
(0.059 ± 0.004)
178
330
(7.008)
(12.992)
50.0
MIN.
(1.969)
13.0 ± 0.20
(0.512 ± 0.008)
1.75 ± 0.10
(0.069 ± 0.004)
5.50 ± 0.05
(0.217 ± 0.002)
8.00 ± 0.10
(0.315 ± 0.004)
4.00 ± 0.10
(0.157 ± 0.004)
2.00 ± 0.05
(0.079 ± 0.002)
0.30 ± 0.10
(0.012 ± 0.004)
12.00 ± 0.30
(0.472 ± 0.012)
18.4
MAX.
(0.724)
500
3,000
REV. 09/20
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and
P[ZHɉSPH[LZJVSSLJ[P]LS`¸)V\YUZ¹
Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change
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